variomatik naraku Speed Up Sleeve Kit for Gy6/Kymco 2 stroke/4 Stroke

Variable tuning set for original variators and almost all tuning variators Speed-up washers can be used to influence the length of the variator sleeve: Lengthening usually improves acceleration and shortening increases top speed The kit includes the open racing variator sleeve and 15 spacer discs, 5 discs each with 0.1, 0.2 and 0.5mm thickness. Dimensions of the sleeve 20 x 38mm When using in tuning variators, please measure the outer diameter of the installed sleeve beforehand. This should be 20mm Suitable for many Chinese scooters 4-stroke